Description

[As,(+)]-5,5',6,6',8,8'-Hexahydroxy-2,2'-Dimethyl-9,9'-Bi[4H-Naphtho[2,3-B]Pyran]-4,4'-Dione is a complex, high-purity chiral organic compound belonging to the class of dimeric naphthopyran derivatives. This compound is valued for its unique stereochemistry and functional hydroxyl groups, which make it a critical advanced intermediate in sophisticated chemical syntheses. It is primarily sought by research institutions and manufacturers in the pharmaceutical and fine chemical sectors for developing novel active ingredients and specialty materials.

Application

• Pharmaceutical Intermediate: Serves as a key chiral building block in the research and development of new drug candidates, particularly for complex target molecules.
• Asymmetric Synthesis: Utilized in catalytic and stoichiometric asymmetric reactions due to its defined [As,(+)] stereochemistry.
• Ligand and Catalyst Development: Its polyhydroxy structure makes it a candidate for developing novel chelating ligands or organocatalysts.
• Material Science Research: Investigated for potential use in creating specialized organic polymers or dyes with specific optical properties.
• Biochemical Research: May be used in studies involving enzyme inhibition or as a probe due to its specific structural motifs.
• Reference Standard: Supplied as a high-purity analytical standard for quality control and method development in analytical laboratories.

Basic Information

Product Name	[As,(+)]-5,5',6,6',8,8'-Hexahydroxy-2,2'-Dimethyl-9,9'-Bi[4H-Naphtho[2,3-B]Pyran]-4,4'-Dione
CAS No.	56994-05-9
Molecular Formula	C30H22O10
Molecular Weight	542.49 g/mol
Synonyms	(+)-Bisnaphthopyrandione; (As)-Hexahydroxy Dimethyl Binaphthopyrandione; 5,5',6,6',8,8'-Hexahydroxy-2,2'-dimethyl-[4H-naphtho[2,3-b]pyran]-4,4'-dione, [As-(+)]-; 9,9'-Bi[4H-naphtho[2,3-b]pyran]-4,4'-dione, 5,5',6,6',8,8'-hexahydroxy-2,2'-dimethyl-, [As,(+)]-; CAS 56994-05-9
EINECS	Contact for details

Quality Control

Our [As,(+)]-5,5',6,6',8,8'-Hexahydroxy-2,2'-Dimethyl-9,9'-Bi[4H-Naphtho[2,3-B]Pyran]-4,4'-Dione is produced under strict quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity, chiral analysis to confirm stereochemical integrity, and spectroscopic identification (IR, NMR). A detailed Certificate of Analysis (COA) documenting all test results is provided with each shipment to ensure traceability and compliance with your research or production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at a controlled room temperature (15-25°C) to prevent oxidation and degradation. Keep the container in a cool, dry, and well-ventilated area, away from incompatible materials.

Specification

Item	Specification
Appearance	Yellow to brown powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Chiral Purity ([α]D)	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.